The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 11, 1989
Filed:
Feb. 29, 1988
Applicant:
Inventor:
Keisuke Fujiwara, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 9907 ; 360 9906 ;
Abstract
A disc drive arrangement of simplified construction for a disc cartridge with a magnetic disc retained therein by an urging member, in which after the disc cartridge with the magnetic disc is loaded on the disc drive arrangement, the up and down movement of the cartridge to the disc drive section, head's contacting with and coming apart from the magnetic disc, and the releasing operation of the urging of the urging member against the disc are carried out at a predetermined timing successively, thus the disc cartridge with the magnetic disc being positively loaded and driven by a simplified arrangement.